|Club|Played|Won|Drawn|Lost|Points for|Points against|Bonus points|Points|
|---|---|---|---|---|---|---|---|---|
|Biarritz Olympique|26|19||7|694|350|14|90|
|Stade Français|26|19||7|633|437|13|89|
|Stade Toulousain|26|19||7|713|427|12|88|
|USA Perpignan|26|18||8|671|398|12|84|
|SU Agen|26|15||11|655|540|10|70|
|CS Bourgoin-Jallieu|26|14||12|591|516|11|67|
|Castres Olympique|26|13||13|685|559|14|66|
|ASM Clermont|26|14||12|577|569|7|63|
|CA Brive|26|10|1|15|431|553|9|51|
|RC Narbonne|26|11||15|533|775|3|47|
|Montpellier RC|26|9|0|17|574|659|10|46|
|Aviron Bayonnais|26|8|1|17|514|669|9|43|
|Section Paloise|26|9|0|17|476|790|4|40|
|RC Toulonnais|26|3|0|23|332|837|7|19|

Question: what is the difference of the number of won games between stade toulousain and ca brive?
Answer: 9